TY  - BOOK
AU  - Singh, Y.K
AU  - Sharma, T.K
AU  - Upadhya, Brijesh
TI  - Educational Technology: Teaching Learning
SN  - 9788131303610
U1  - 370/SIN/E 
PY  - 2009///
CY  - New Delhi
PB  - APH Publishing Corporation
KW  - Education
ER  -